*{
    padding: 0;
    margin: 0;
}
h1 {
    text-align: center;
}
table {
    border: 1px solid;
    border-collapse: collapse;
    width: 70%;
    margin: auto;
}
td, th {
    border: 1px solid;
    padding: 10px;
    text-align: center;
}
